Exercise: Workshop Technology

Questions for: Workshop Technology

For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately
A:
42 mm
B:
44 mm
C:
46 mm
D:
48 mm
Answer: C
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The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded)
A:
t
B:
1.5 t
C:
3 t
D:
6 t
Answer: A
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Carburising flame is used to weld
A:
steel, cast iron, copper, aluminium etc
B:
brass and bronze
C:
hard surfacing materials such as stellite
D:
all of these
Answer: C
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A two high rolling mill consists of two rolls which rotate
A:
at the same speed and in the same direction
B:
at the same speed but in opposite direction
C:
at different speeds and in the same direction
D:
at different speeds and in the opposite direction
Answer: B
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In a unilateral system of tolerance, the tolerance is allowed on
A:
one side of the actual size
B:
one side of the nominal size
C:
both sides of the actual size
D:
both sides of the nominal size
Answer: B
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